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<?php

//============================================================+

// File name   : tcpdf_colors.php

// Version     : 1.0.004

// Begin       : 2002-04-09

// Last Update : 2014-04-25

// Author      : Nicola Asuni - Tecnick.com LTD - www.tecnick.com - info@tecnick.com

// License     : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)

// -------------------------------------------------------------------

// Copyright (C) 2002-2013  Nicola Asuni - Tecnick.com LTD

//

// This file is part of TCPDF software library.

//

// TCPDF is free software: you can redistribute it and/or modify it

// under the terms of the GNU Lesser General Public License as

// published by the Free Software Foundation, either version 3 of the

// License, or (at your option) any later version.

//

// TCPDF is distributed in the hope that it will be useful, but

// WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

// See the GNU Lesser General Public License for more details.

//

// You should have received a copy of the GNU Lesser General Public License

// along with TCPDF.  If not, see <http://www.gnu.org/licenses/>.

//

// See LICENSE.TXT file for more information.

// -------------------------------------------------------------------

//

// Description : Array of WEB safe colors

//

//============================================================+

/**

 * @file

 * PHP color class for TCPDF

 * @author Nicola Asuni

 * @package com.tecnick.tcpdf

 */

/**

 * @class TCPDF_COLORS

 * PHP color class for TCPDF

 * @package com.tecnick.tcpdf

 * @version 1.0.004

 * @author Nicola Asuni - info@tecnick.com

 */

class TCPDF_COLORS {

	/**

	 * Array of WEB safe colors

	 * @public static

	 */

	public static $webcolor = array (

		'aliceblue' => 'f0f8ff',

		'antiquewhite' => 'faebd7',

		'aqua' => '00ffff',

		'aquamarine' => '7fffd4',

		'azure' => 'f0ffff',

		'beige' => 'f5f5dc',

		'bisque' => 'ffe4c4',

		'black' => '000000',

		'blanchedalmond' => 'ffebcd',

		'blue' => '0000ff',

		'blueviolet' => '8a2be2',

		'brown' => 'a52a2a',

		'burlywood' => 'deb887',

		'cadetblue' => '5f9ea0',

		'chartreuse' => '7fff00',

		'chocolate' => 'd2691e',

		'coral' => 'ff7f50',

		'cornflowerblue' => '6495ed',

		'cornsilk' => 'fff8dc',

		'crimson' => 'dc143c',

		'cyan' => '00ffff',

		'darkblue' => '00008b',

		'darkcyan' => '008b8b',

		'darkgoldenrod' => 'b8860b',

		'dkgray' => 'a9a9a9',

		'darkgray' => 'a9a9a9',

		'darkgrey' => 'a9a9a9',

		'darkgreen' => '006400',

		'darkkhaki' => 'bdb76b',

		'darkmagenta' => '8b008b',

		'darkolivegreen' => '556b2f',

		'darkorange' => 'ff8c00',

		'darkorchid' => '9932cc',

		'darkred' => '8b0000',

		'darksalmon' => 'e9967a',

		'darkseagreen' => '8fbc8f',

		'darkslateblue' => '483d8b',

		'darkslategray' => '2f4f4f',

		'darkslategrey' => '2f4f4f',

		'darkturquoise' => '00ced1',

		'darkviolet' => '9400d3',

		'deeppink' => 'ff1493',

		'deepskyblue' => '00bfff',

		'dimgray' => '696969',

		'dimgrey' => '696969',

		'dodgerblue' => '1e90ff',

		'firebrick' => 'b22222',

		'floralwhite' => 'fffaf0',

		'forestgreen' => '228b22',

		'fuchsia' => 'ff00ff',

		'gainsboro' => 'dcdcdc',

		'ghostwhite' => 'f8f8ff',

		'gold' => 'ffd700',

		'goldenrod' => 'daa520',

		'gray' => '808080',

		'grey' => '808080',

		'green' => '008000',

		'greenyellow' => 'adff2f',

		'honeydew' => 'f0fff0',

		'hotpink' => 'ff69b4',

		'indianred' => 'cd5c5c',

		'indigo' => '4b0082',

		'ivory' => 'fffff0',

		'khaki' => 'f0e68c',

		'lavender' => 'e6e6fa',

		'lavenderblush' => 'fff0f5',

		'lawngreen' => '7cfc00',

		'lemonchiffon' => 'fffacd',

		'lightblue' => 'add8e6',

		'lightcoral' => 'f08080',

		'lightcyan' => 'e0ffff',

		'lightgoldenrodyellow' => 'fafad2',

		'ltgray' => 'd3d3d3',

		'lightgray' => 'd3d3d3',

		'lightgrey' => 'd3d3d3',

		'lightgreen' => '90ee90',

		'lightpink' => 'ffb6c1',

		'lightsalmon' => 'ffa07a',

		'lightseagreen' => '20b2aa',

		'lightskyblue' => '87cefa',

		'lightslategray' => '778899',

		'lightslategrey' => '778899',

		'lightsteelblue' => 'b0c4de',

		'lightyellow' => 'ffffe0',

		'lime' => '00ff00',

		'limegreen' => '32cd32',

		'linen' => 'faf0e6',

		'magenta' => 'ff00ff',

		'maroon' => '800000',

		'mediumaquamarine' => '66cdaa',

		'mediumblue' => '0000cd',

		'mediumorchid' => 'ba55d3',

		'mediumpurple' => '9370d8',

		'mediumseagreen' => '3cb371',

		'mediumslateblue' => '7b68ee',

		'mediumspringgreen' => '00fa9a',

		'mediumturquoise' => '48d1cc',

		'mediumvioletred' => 'c71585',

		'midnightblue' => '191970',

		'mintcream' => 'f5fffa',

		'mistyrose' => 'ffe4e1',

		'moccasin' => 'ffe4b5',

		'navajowhite' => 'ffdead',

		'navy' => '000080',

		'oldlace' => 'fdf5e6',

		'olive' => '808000',

		'olivedrab' => '6b8e23',

		'orange' => 'ffa500',

		'orangered' => 'ff4500',

		'orchid' => 'da70d6',

		'palegoldenrod' => 'eee8aa',

		'palegreen' => '98fb98',

		'paleturquoise' => 'afeeee',

		'palevioletred' => 'd87093',

		'papayawhip' => 'ffefd5',

		'peachpuff' => 'ffdab9',

		'peru' => 'cd853f',

		'pink' => 'ffc0cb',

		'plum' => 'dda0dd',

		'powderblue' => 'b0e0e6',

		'purple' => '800080',

		'red' => 'ff0000',

		'rosybrown' => 'bc8f8f',

		'royalblue' => '4169e1',

		'saddlebrown' => '8b4513',

		'salmon' => 'fa8072',

		'sandybrown' => 'f4a460',

		'seagreen' => '2e8b57',

		'seashell' => 'fff5ee',

		'sienna' => 'a0522d',

		'silver' => 'c0c0c0',

		'skyblue' => '87ceeb',

		'slateblue' => '6a5acd',

		'slategray' => '708090',

		'slategrey' => '708090',

		'snow' => 'fffafa',

		'springgreen' => '00ff7f',

		'steelblue' => '4682b4',

		'tan' => 'd2b48c',

		'teal' => '008080',

		'thistle' => 'd8bfd8',

		'tomato' => 'ff6347',

		'turquoise' => '40e0d0',

		'violet' => 'ee82ee',

		'wheat' => 'f5deb3',

		'white' => 'ffffff',

		'whitesmoke' => 'f5f5f5',

		'yellow' => 'ffff00',

		'yellowgreen' => '9acd32'

	); // end of web colors

	/**

	 * Array of valid JavaScript color names

	 * @public static

	 */

	public static $jscolor = array ('transparent', 'black', 'white', 'red', 'green', 'blue', 'cyan', 'magenta', 'yellow', 'dkGray', 'gray', 'ltGray');

	/**

	 * Array of Spot colors (C,M,Y,K,name)

	 * Color keys must be in lowercase and without spaces.

	 * As long as no open standard for spot colours exists, you have to buy a colour book by one of the colour manufacturers and insert the values and names of spot colours directly.

	 * Common industry standard spot colors are: ANPA-COLOR, DIC, FOCOLTONE, GCMI, HKS, PANTONE, TOYO, TRUMATCH.

	 * @public static

	 */

	public static $spotcolor = array (

		// special registration colors

		'none'    => array(  0,   0,   0,   0, 'None'),

		'all'     => array(100, 100, 100, 100, 'All'),

		// standard CMYK colors

		'cyan'    => array(100,   0,   0,   0, 'Cyan'),

		'magenta' => array(  0, 100,   0,   0, 'Magenta'),

		'yellow'  => array(  0,   0, 100,   0, 'Yellow'),

		'key'     => array(  0,   0,   0, 100, 'Key'),

		// alias

		'white'   => array(  0,   0,   0,   0, 'White'),

		'black'   => array(  0,   0,   0, 100, 'Black'),

		// standard RGB colors

		'red'     => array(  0, 100, 100,   0, 'Red'),

		'green'   => array(100,   0, 100,   0, 'Green'),

		'blue'    => array(100, 100,   0,   0, 'Blue'),

		// Add here standard spot colors or dynamically define them with AddSpotColor()

		// ...

	); // end of spot colors

	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	/**

	 * Return the Spot color array.

	 * @param string $name Name of the spot color.

	 * @param array $spotc Reference to an array of spot colors.

	 * @return array|false Spot color array or false if not defined.

	 * @since 5.9.125 (2011-10-03)

	 * @public static

	 */

	public static function getSpotColor($name, &$spotc) {

		if (isset($spotc[$name])) {

			return $spotc[$name];

		}

		$color = preg_replace('/[\s]*/', '', $name); // remove extra spaces

		$color = strtolower($color);

		if (isset(self::$spotcolor[$color])) {

			if (!isset($spotc[$name])) {

				$i = (1 + count($spotc));

				$spotc[$name] = array('C' => self::$spotcolor[$color][0], 'M' => self::$spotcolor[$color][1], 'Y' => self::$spotcolor[$color][2], 'K' => self::$spotcolor[$color][3], 'name' => self::$spotcolor[$color][4], 'i' => $i);

			}

			return $spotc[self::$spotcolor[$color][4]];

		}

		return false;

	}

	/**

	 * Returns an array (RGB or CMYK) from an html color name, or a six-digit (i.e. #3FE5AA), or three-digit (i.e. #7FF) hexadecimal color, or a javascript color array, or javascript color name.

	 * @param string $hcolor HTML color.

	 * @param array $spotc Reference to an array of spot colors.

	 * @param array $defcol Color to return in case of error.

	 * @return array|false RGB or CMYK color, or false in case of error.

	 * @public static

	 */

	public static function convertHTMLColorToDec($hcolor, &$spotc, $defcol=array('R'=>128,'G'=>128,'B'=>128)) {

		$color = preg_replace('/[\s]*/', '', $hcolor); // remove extra spaces

		$color = strtolower($color);

		// check for javascript color array syntax

		if (strpos($color, '[') !== false) {

			if (preg_match('/[\[][\"\'](t|g|rgb|cmyk)[\"\'][\,]?([0-9\.]*)[\,]?([0-9\.]*)[\,]?([0-9\.]*)[\,]?([0-9\.]*)[\]]/', $color, $m) > 0) {

				$returncolor = array();

				switch ($m[1]) {

					case 'cmyk': {

						// RGB

						$returncolor['C'] = max(0, min(100, (floatval($m[2]) * 100)));

						$returncolor['M'] = max(0, min(100, (floatval($m[3]) * 100)));

						$returncolor['Y'] = max(0, min(100, (floatval($m[4]) * 100)));

						$returncolor['K'] = max(0, min(100, (floatval($m[5]) * 100)));

						break;

					}

					case 'rgb': {

						// RGB

						$returncolor['R'] = max(0, min(255, (floatval($m[2]) * 255)));

						$returncolor['G'] = max(0, min(255, (floatval($m[3]) * 255)));

						$returncolor['B'] = max(0, min(255, (floatval($m[4]) * 255)));

						break;

					}

					case 'g': {

						// grayscale

						$returncolor['G'] = max(0, min(255, (floatval($m[2]) * 255)));

						break;

					}

					case 't':

					default: {

						// transparent (empty array)

						break;

					}

				}

				return $returncolor;

			}

		} elseif ((substr($color, 0, 4) != 'cmyk') AND (substr($color, 0, 3) != 'rgb') AND (($dotpos = strpos($color, '.')) !== false)) {

			// remove class parent (i.e.: color.red)

			$color = substr($color, ($dotpos + 1));

			if ($color == 'transparent') {

				// transparent (empty array)

				return array();

			}

		}

		if (strlen($color) == 0) {

			return $defcol;

		}

		// RGB ARRAY

		if (substr($color, 0, 3) == 'rgb') {

			$codes = substr($color, 4);

			$codes = str_replace(')', '', $codes);

			$returncolor = explode(',', $codes);

			foreach ($returncolor as $key => $val) {

				if (strpos($val, '%') > 0) {

					// percentage

					$returncolor[$key] = (255 * intval($val) / 100);

				} else {

					$returncolor[$key] = intval($val);

				}

				// normalize value

				$returncolor[$key] = max(0, min(255, $returncolor[$key]));

			}

			return $returncolor;

		}

		// CMYK ARRAY

		if (substr($color, 0, 4) == 'cmyk') {

			$codes = substr($color, 5);

			$codes = str_replace(')', '', $codes);

			$returncolor = explode(',', $codes);

			foreach ($returncolor as $key => $val) {

				if (strpos($val, '%') !== false) {

					// percentage

					$returncolor[$key] = (100 * intval($val) / 100);

				} else {

					$returncolor[$key] = intval($val);

				}

				// normalize value

				$returncolor[$key] = max(0, min(100, $returncolor[$key]));

			}

			return $returncolor;

		}

		if ($color[0] != '#') {

			// COLOR NAME

			if (isset(self::$webcolor[$color])) {

				// web color

				$color_code = self::$webcolor[$color];

			} else {

				// spot color

				$returncolor = self::getSpotColor($hcolor, $spotc);

				if ($returncolor === false) {

					$returncolor = $defcol;

				}

				return $returncolor;

			}

		} else {

			$color_code = substr($color, 1);

		}

		// HEXADECIMAL REPRESENTATION

		switch (strlen($color_code)) {

			case 3: {

				// 3-digit RGB hexadecimal representation

				$r = substr($color_code, 0, 1);

				$g = substr($color_code, 1, 1);

				$b = substr($color_code, 2, 1);

				$returncolor = array();

				$returncolor['R'] = max(0, min(255, hexdec($r.$r)));

				$returncolor['G'] = max(0, min(255, hexdec($g.$g)));

				$returncolor['B'] = max(0, min(255, hexdec($b.$b)));

				break;

			}

			case 6: {

				// 6-digit RGB hexadecimal representation

				$returncolor = array();

				$returncolor['R'] = max(0, min(255, hexdec(substr($color_code, 0, 2))));

				$returncolor['G'] = max(0, min(255, hexdec(substr($color_code, 2, 2))));

				$returncolor['B'] = max(0, min(255, hexdec(substr($color_code, 4, 2))));

				break;

			}

			case 8: {

				// 8-digit CMYK hexadecimal representation

				$returncolor = array();

				$returncolor['C'] = max(0, min(100, round(hexdec(substr($color_code, 0, 2)) / 2.55)));

				$returncolor['M'] = max(0, min(100, round(hexdec(substr($color_code, 2, 2)) / 2.55)));

				$returncolor['Y'] = max(0, min(100, round(hexdec(substr($color_code, 4, 2)) / 2.55)));

				$returncolor['K'] = max(0, min(100, round(hexdec(substr($color_code, 6, 2)) / 2.55)));

				break;

			}

			default: {

				$returncolor = $defcol;

				break;

			}

		}

		return $returncolor;

	}

	/**

	 * Convert a color array into a string representation.

	 * @param array $c Array of colors.

	 * @return string The color array representation.

	 * @since 5.9.137 (2011-12-01)

	 * @public static

	 */

	public static function getColorStringFromArray($c) {

		$c = array_values($c);

		$color = '[';

		switch (count($c)) {

			case 4: {

				// CMYK

				$color .= sprintf('%F %F %F %F', (max(0, min(100, floatval($c[0]))) / 100), (max(0, min(100, floatval($c[1]))) / 100), (max(0, min(100, floatval($c[2]))) / 100), (max(0, min(100, floatval($c[3]))) / 100));

				break;

			}

			case 3: {

				// RGB

				$color .= sprintf('%F %F %F', (max(0, min(255, floatval($c[0]))) / 255), (max(0, min(255, floatval($c[1]))) / 255), (max(0, min(255, floatval($c[2]))) / 255));

				break;

			}

			case 1: {

				// grayscale

				$color .= sprintf('%F', (max(0, min(255, floatval($c[0]))) / 255));

				break;

			}

		}

		$color .= ']';

		return $color;

	}

	/**

	 * Convert color to javascript color.

	 * @param string $color color name or "#RRGGBB"

	 * @protected

	 * @since 2.1.002 (2008-02-12)

	 * @public static

	 */

	public static function _JScolor($color) {

		if (substr($color, 0, 1) == '#') {

			return sprintf("['RGB',%F,%F,%F]", (hexdec(substr($color, 1, 2)) / 255), (hexdec(substr($color, 3, 2)) / 255), (hexdec(substr($color, 5, 2)) / 255));

		}

		if (!in_array($color, self::$jscolor)) {

			// default transparent color

			$color = self::$jscolor[0];

		}

		return 'color.'.$color;

	}

} // END OF TCPDF_COLORS CLASS

//============================================================+

// END OF FILE

//============================================================+